Our ability to detect the fine detail of an object and to resolve the position of closely-spaced objects on the skin varies across the body

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Because of differences in the type of skin we possess across the body.

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In the same way as does the sensitivity of the SA-1 and SA-2 neurons.

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Because of differences in the adaptation properties of the receptors with the largest receptive fields.

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In the same way as does the density of the PC and SA-2 neurons that have the largest somatosensory receptive fields.

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In the same way as does the density of the RA and SA-1 neurons with the smallest somatosensory receptive fields.

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